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Habibie Anwar
Universitas Muslim Indonesia
Agriculture, Biological Sciences & Forestry Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Nursing Public Health Social Sciences

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Journal : Journal of Mining Insight

 1 
Pengaruh Relief Topografi Terhadap Daerah Prospek Nikel Laterit Kecamatan Bahodopi Kabupaten Morowali Provinsi Sulawesi Tengah Astuti, Sri Epi; Anshariah, Anshariah; Anwar, Habibie; Djamaluddin, Djamaluddin
Jurnal of Mining Insight Vol 1 No 1 (2023): Journal of Mining insight
Publisher : CV Insight Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58227/jmi.v1i1.39

Abstract

Nickel laterite deposit is a result of weathering processes of  ultramafic rocks which carry Ni-Silicate. Generally the deposit is found from tropical to subtropical climates. The aim of this research was to find out the influence of the ground slope to the thickness zone of the nickel laterite based on the cross-section of the drill hole. The research method was to create the cross-section nickel laterite. The data ware obtained from assay data, coordinate, drilling points distribution, and cross-section of the drill hole. From cross-section of the drill hole, the data regarding the level of Ni and Fe were obtained. From the hole id 5A_0171, the lowest Ni level for limonite was 0.19%, and the highest level was 1.17% and for the Fe level, the lowest was 32.13% and the highest was 49.84% with the depth ranging from 0 to 18 metres. The lowest Ni level for the saprolite was 0.79% and the highest was 2.04% whereas for the Fe  level, the lowest was 9.97% and the highest was 15.77% with the depth ranging from 18 to 25 metres. The lowest Ni level for the bedrock was 0.29% and the highest was 0.56% whereas for its Fe level, the lowest was 6.91% and the highest was 8.67% with the depth ranging from 25 to 27 metres. The concluding data for the sloppy areas from the steep to slightslopes was that the limonite zone tended to follow the surface morphology pattern with the thickening occurrence in the steep slopes however the saprolite zone did not follow the surface morphology but it became thick in the steep slopes.
PERANCANGAN PERANCANGAN PIT PENAMBANGAN BLOK 1 SECARA SHORT TERM PADA PT HARVEST CONTRUCTION MINING COMPANY Ma'ruf, Baso Amran; Anwar, Habibie; Nurwaskito, Arif
Jurnal of Mining Insight Vol 1 No 2 (2023): Journal of Mining insight
Publisher : CV Insight Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58227/jmi.v1i2.82

Abstract

This research was conducted at PT Harvest Construction Mining Services which is engaged in mining, especially in nickel ore mining as a mining consultant. Which is located in Mandiodo Village, Mandiodo District, North Konawe Regency, Southeast Sulawesi. This study aims to create a pit design and mining sequence design at PT Harvest Construction Mining Services, to make a production schedule based on daily ore production targets. Based on the results of the research, the pit limit was designed based on the estimation results of the block model with the parameters of bench height of 5 m, width of berm 2 m, CoG of 1.5%, and a minimum stripping ratio value of 1:3. Based on the pit limit design, the opening volume is 371,445 m3. Based on the mining pit limit, the pit limit design is divided into several smaller units using mining software. The results of the analysis of the distribution of mining sequences obtained four mining periods with each period per quarter. The first mining sequence obtained a total ore of 67,215 tons of overburden 104.383 tons, the second sequence obtained a total of 71,814 tons of ore with 39,081 tons of overburden, the third sequence with 72,735 tons of ore and 40,547 tons of overburden. The fourth sequence, which is the pit limit of mining, obtained a total of 67,033 tons of ore with a total overburden of 110,100 tons. The total ore to be mined is 278,797 tons.
Desain Jalan Tambang PT. Vale Indonesia Tbk Sorowako Anwar, Habibie; Thamsi, Alam Budiman
Jurnal of Mining Insight Vol 2 No 1 (2024): Journal of Mining Insight
Publisher : CV Insight Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58227/jmi.v2i1.263

Abstract

The main function of the mine road is to support the smooth of mining operation, especially in transportation activities, so the good mine road is necessary to design to improve hauling productivity. This research aimed to determine the ideal road geometry for the transportation activities. The data used in this research are topography map, transportation equipment specification data, SOP (standard operational procedure) of road design, and road geometry data. Data processing is conducted to make the calculation of road geometry using rational formula, then based on the result of the calculation, the design of mining road is made. The results of the research showed that the minimum road widths for the straight road are 22 m and for the bend are 28 m, then have the grade of 10% or 3.6°, have the cross slope with height of 3%, and for the bend with width 28 m. The good superelevation used is 6% m. In conclusion, the geometry of mine road at PT. Vale Indonesia, Tbk has been the ideal for fulfilling the hauling activities.
Co-Authors Abdul Salam Munir Ade Rifaldi Alam Budiman Thamsi Alfian Nawir Andi Ashari Cahyadi Andi Fahdli Heriansyah Anshariah Anshariah Anshariah Anshariah Anshariah Anshariah, Anshariah Antonina Pri Martireni Arif Nurwaskito Arifin, Mubdiana Astuti, Sri Epi Bakri, Hasbi Bakri, Suriyanto Budiman, Agus Ardianto Citra Aulia Khalik Dirgahayu Lantara Djamaluddin Djamaluddin Djamaluddin Djamaluddin Djamaluddin Djamaluddin Firdaus F Firman Nullah Yusuf Harwan Harwan Haslan Haslan Idris Juradi, Muhammad Jamal Rauf Husain Jamal Rauf Husain Ma'ruf, Baso Amran Made Astawa Rai Muh. Ajwad Muhammad Aswadi Muhammad Furqan Al Faruqi Muhammad Idham Farid Muhammad Nur Alim Nur Asmiani Nurhawaisyah, Sitti Ratmi Nurliah Jafar Nurwaskito, Arif Prasetyawati Umar, Emi Rahmat Agam Putra Ridho Kresna Wattimena Sakti Aji Adi Sanra Sitti Muharni Sri Wahyuni Sri Widodo Sri Widodo Suryanto Bakri Wakila, Muhammad Hardin Zainul Zainul